all of this, as the obama administration weighs approval of the keystone x.l. pipeline to move crude from canada to u.s. refineries on the gulf coast. for the latest on the accident, we're joined by sophie tremblay, a producer for the canadian broadcasting company. she was at the scene over the weekend and joins me now from montreal. sophie, my first question is, there was just a press conference a little while ago. are investigators any closer to determining the cause? >> the cause, no. they are... they did... the transport safety board of canada did recover the black box. they are going to be holding a press conference tomorrow morning, but at this point there are still competing theories, hypotheses about what happened. >> and what about some of the numbers of the missing? we heard reports that they might not be identified ever. >> that is the truth. some people are comparing it to 9/11 where some of the bodies were just, you know, vaporized and they won't be able to recover some of them. at this point they found eat more bodies today. that brings the total